Hollywood Boulevard was overrun with scruffy puppets Saturday as Jason Segel and Amy Adams took to the red carpet with their friends and co-stars to celebrate the opening of The Muppets.

Everyone's childhood favorites -- Miss Piggy, Kermit and the gang -- star in the new film which finds the old pals coming together to save Muppet Theater, which a greedy oil tycoon is threatening to take over and destroy.

The film opens November 23. Check out the trailer ...